A pledge can be longstanding.Logical formLearned from43 sentences. A connection can be longstanding.Logical formLearned from42 sentences. A project can be longstanding.Logical formLearned from42 sentences. An affair can be longstanding.Logical formLearned from41 sentences. A mission can be longstanding.Logical formLearned from41 sentences. A deadlock can be longstanding.Logical formLearned from41 sentences. A (knee injury) can be longstanding.Logical formLearned from41 sentences. Beliefs can be longstanding.Logical formLearned from40 sentences. An invitation can be longstanding.Logical formLearned from40 sentences. An insistence can be longstanding.Logical formLearned from40 sentences. A puzzle can be longstanding.Logical formLearned from40 sentences. Difficulties can be longstanding.Logical formLearned from40 sentences. An offer can be longstanding.Logical formLearned from40 sentences. A theory can be longstanding.Logical formLearned from39 sentences. Laws can be longstanding.Logical formLearned from39 sentences.